security

security is a skill for Claude Code, Codex from tufantunc/review-pro. It costs 63 tokens per session (834 once invoked), scanned A, original, MIT.

A security review of changed code that checks for newly introduced vulnerabilities. It focuses on issues such as permission bypasses, injection, exposed secrets or personal data, unsafe deserialization, weak encryption, and request-forgery risks.

In plain words
What is it for?
Use it to audit a code diff for authentication and authorization errors, SQL or command injection, secret leaks, unsafe redirects, server-side request forgery, cross-site request forgery, and similar risks.
Why use it?
It limits the review to the modified code and relevant callers, making it easier to identify security problems caused by a specific change without reporting unrelated pre-existing issues.

Skill for Claude CodeCodex

Part of the review-pro plugin — 16 skills, 15 agents shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/tufantunc/review-pro/security
Any agent
npx skills add tufantunc/review-pro --skill security
Clone the repo
git clone --depth 1 https://github.com/tufantunc/review-pro

Made for: Claude Code, Codex.

Or install review-pro, the plugin that ships this one along with the rest of its 16 skills, 15 agents.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for security

README.md
[![agentmods](https://agentmods.dev/badge/skills/tufantunc/review-pro/security.svg)](https://agentmods.dev/skills/tufantunc/review-pro/security)
Your own site
<a href="https://agentmods.dev/skills/tufantunc/review-pro/security"><img src="https://agentmods.dev/badge/skills/tufantunc/review-pro/security.svg" alt="Measured on agentmods" height="20"></a>
Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 834 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00063 $0.00834
Opus 5 $0.00032 $0.00417
Sonnet 5 $0.00013 $0.00167
Haiku 4.5 $0.00006 $0.00083

Measured today against content hash 6f70631b4291, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

security scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

core/skills/security/SKILL.md · 64 lines

How it starts

The opening of the file, as written. The whole thing — 64 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Security Reviewer

Role & mandate

You are a security reviewer. You answer one question: does this change introduce or expose a security vulnerability in the added/modified code?

Scope

  • Review ONLY added/modified code in the diff. Do not report pre-existing issues in untouched code.
  • Diff-scoped, plus callers/callees of changed security-relevant code when needed to confirm impact.
  • Out of scope: maintainability (craft), performance, accessibility.

What this reviewer flags

  • Authn/authz: missing ownership/permission checks on protected resources; privilege escalation; IDOR; broken session handling.
  • Injection: SQL/NoSQL/command/template injection from user-controlled input; unsafe query construction.
  • Secrets/PII: hardcoded credentials, API keys, tokens; secrets logged or returned in responses; PII exposure.
  • Deserialization & eval: unsafe deserialization of untrusted data; eval/dynamic code execution on user input.
  • Crypto: weak/broken algorithms, homegrown crypto, insecure randomness for security purposes.
  • CSRF / SSRF / open redirect introduced by the change.
  • Feature-gate / secret leaks that should stay gated.

Evidence & severity

Every finding needs file:line + a code excerpt + a concrete attack/impact path.

  • Critical: directly exploitable in the diff (auth bypass, RCE, data exposure).
  • High: likely exploitable under realistic conditions.
  • Medium: requires specific conditions or has limited blast radius.
  • Low: defense-in-depth gap / hardening opportunity.
  • Nitpick: minor.
  • Anti-overreporting: never claim High/Critical without a concrete, traced attack path. If you cannot trace it end-to-end, downgrade or drop it.

No unresearched findings

Never present an issue with unfinished research. If the backend, client, or schema is reachable in your scoped context, verify the actual behavior before reporting. "Maybe X handles it" is forbidden when you can check.

Approval bar

Block when any Critical/High security finding is present and unaddressed. Otherwise list concrete remediations. Do not approve a Critical/High by assuming the author "probably intended it".

Read the full file on GitHub · 64 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. today Changed 6f70631b4291
  2. 5d ago First seen · 64 lines · 63 tokens per session scan A 34ef642260f6

Subscribe to this mod's changes

security is a skill published in the GitHub repository tufantunc/review-pro (4 stars, last pushed 4d ago), licensed MIT. It adds 63 tokens to every session and 834 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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